Hand-clamp or vise.



1 H. KELLEY. HAND CLAMP OR VISE.

A HIII mlm eve-ca APPLICATION FILED SEPT. 2, 1908.

Patented Feb. 1, 1910.-

ill

- Jr orni FREDERICK H. KELLEY, OF NORTHBORO, MASSACHUSETTS.

HAND-CLAMP 0R VISE.

To all whom it may concern:

Be it known that I, FREDERIOK H. KEL mm, a citizen of the United States,residing at Northboro, in the county of WVorcester and State ofMassachusetts, have invented a new and useful Hand-Clamp or Vise, ofwhich the following is a specification.

This invention relates to Vises and clamps and particularly to thatclass thereof which is ordinarily called a hand clamp.

The principal object of the invention is to provide a new, improved, andstrengthened form of jaw for Vises, clamps and the like which can bemade in a simple and inexpensive manner from a single piece of sheetmetal and which will have means within it for giving it great strengthagainst the ordinary resistance to which said articles are subjected inpractice.

Further objects and advantages of the in vention will appearhereinafter.

Reference is to be had to the accompanying drawing in which,

Figure 1 is a side view of a. hand clamp or vise made in accordance withthis invention, and Fig. 2 is an end elevation thereof.

This invention is shown as applied to a form of clamp or vise having twojaws A and B and two screws C and D, which is a well known type of handclamp. Both of the jaws are made in substantially the same manner from asingle integral piece of sheet metal. Each jaw comprises a working orhearing face 10 which preferably is flat and which is bent up at theedges 11 to form two angular or slanting sides 12 that come togetherback of the middle of the side 10 to form a. structure of a triangularcross section. The edges 13 of the sides 10 are brought close togetherand given a set against each other in dies or the like so that the edgeswill be held in their bent up position by the natural set of the metaland will not ordinarily require additional clamping means, although theedges 13, being flat and in contact with each other for a considerabledistance, would afford a convenient location for rivets or otherfastening devices if desired. It will be seen that these edges 13 extendbackwardly from the Working face of the jaw so as to form an integralrib at right-angles to the direction of the pressure which greatlystrengthens the jaw in use without materially adding to the cost ofmanufacture or material. The jaw A is also Specification of LettersPatent.

Application filed September Patented Feb. 1, 11.910.

2, 1908. Serial No. 451,312.

provided with a passage 14 therethrough for the screw 0. This passage ismade partly in each of a pair of semi-cylindrical enlargen'ients 15 onthe rib 13. These e11- largoments are stamped out in the process ofmanufacture in a? very simple manner and the face 10 is perforatedopposite the passage 1e so as to permit the screw to pass through. Thejaw B is provided with two enlargements 16 which are screwthreadedinside so that the screws may be adjusted in a well known manner. Theseenlargements preferably are made like the one described above. The endof the screw D is reduced at 17 so as to form a shoulder 18 and thisreduced portion is adapted to enter a perforation in the rear of theface 10 of the jaw A, the shoulder abutting against the face of saidjaw.

From the above description it will be seen that jaws for Vises or clampseither of the kind illustrated or practically any other kind can be madein a very simple and cheap manner and be given great strength, althoughof exceedingly light weight. As such devices have to be carried aroundin practice the lightness thereof is an important feature.

While I have illustrated and described a preferred form of the inventionand shown it as applied to a particular type of clamp, I am aware thatthe invention may be carried out in many other ways with manymodifications and that it can be applied to various other jaws andsimilar articles which are used in a somewhat similar way Withoutdeparting from the scope of the invention as expressed in the claims.Therefore, I do not wish to be limited in all respects to the particularform or application illustrated, but- What I do claim is L-A hand clampor vise having a jaw of a general triangular shape in cross sectionformed from a single piece of sheet metal.

2. A hand clamp or vise having a jaw of a general triangular shape incross section formed from sheet metal and having a strengthening rib onthe back formed by the two opposite edge portions of the sheet metal.

3. A hand clamp or vise having a jaw constructed from a single piece ofsheet metal, and having a general triangular shape in cross section, theopposite edge portions of said sheet metal iece meeting opposite thecenter of one si e and forming a rib perpendicular to that side.

4:. A hand clamp or vise having a jaw formed from sheet metal and havinga flat operating side and bent up along longitudinal substantiallyparallel .lines to form slanting strengthening sides behind it andmeeting at the center, said sides being pressed together and heldrigidly in position by the set of the metal.

5. A hand clamp or vise having a jaw provided with a fiat side and twoinclined sides connected with the edges of the fiat side and meeting ata distance behind it so as to leave a space between said sides ofsubstantially triangular cross section.

6. A hand clamp or vise having a jaw provided with a working or bearingside and two inclined sides connected with the edges of the flat sideand meeting at a distance behind it so as to leave a space between saidtion and having a rib projecting from the meeting edges of said inclinedsides and perpendicular to the first named side. 7

7. Ahand clamp or vise having a jaw provided with a flat side and twoinclined sides connected with the edges of the flat side and meeting ata distance behind it so as to leave a space between said sides ofsubstantially triangular cross section and having a rib projecting fromthe meeting surfaces of said inclined sides and perpendicular to thefirst named side, said rib being provided with an integralscrew-threaded enlargement.

8. A hand clamp or vise having a aw of a general triangular shape incross section formed from a single piece of sheet metal and having astrengthenin rib on the back formed by the two opposlte edges of thepiece of sheet metal, said edges being provided with an integralscrew-threaded enlargement located between them and partly in each edgefor receiving a clamping screw.

9. In a hand clamp or vise, the combination of a pair of sheet metaltriangular jaws, one of said jaws having an enlargement on the backthereof provided with a passage therethrough, and the other having twoscrew-threaded enlargements on the back thereof, and a pair of clampingscrews, one extending through said passage and one of the screw-threadedenlargements, and the other extending in the opposite direction from theother screw-threaded enlargement and having a shoulder thereon engagingthe face of the other jaw.

10. A clamp or vise having a aw provided with an operating or hearingface, and side walls integral with said face and extending sides ofsubstantially triangular cross sec- 5 inwardly from the sides thereof,to form inchned pressure transmitting walls.

11. A clamp or vise having a jaw provided with an operating or hearingface, and side walls integral with said face and extending inwardly fromthe sides thereof, to form inclined pressure transmitting walls incontact with each other and clamping means bearing on the edges of saidflanges.

In testimony whereof I have hereunto set my hand, in the presence of twosubscribing witnesses.

FREDERICK H. KELLEY.

Witnesses ALBERT E. FAY, C. FORREST Wesson.

